Complex classes like Localization often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Localization, and based on these observations, apply Extract Interface, too.
1 | <?php namespace Arcanedev\Localization; |
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18 | class Localization implements LocalizationContract |
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19 | { |
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20 | /* ----------------------------------------------------------------- |
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21 | | Properties |
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22 | | ----------------------------------------------------------------- |
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23 | */ |
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24 | |||
25 | /** |
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26 | * Base url. |
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27 | * |
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28 | * @var string |
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29 | */ |
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30 | protected $baseUrl; |
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31 | |||
32 | /** |
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33 | * Laravel application instance. |
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34 | * |
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35 | * @var \Illuminate\Contracts\Foundation\Application |
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36 | */ |
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37 | private $app; |
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38 | |||
39 | /** |
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40 | * The RouteTranslator instance. |
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41 | * |
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42 | * @var \Arcanedev\Localization\Contracts\RouteTranslator |
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43 | */ |
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44 | protected $routeTranslator; |
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45 | |||
46 | /** |
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47 | * The LocalesManager instance. |
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48 | * |
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49 | * @var \Arcanedev\Localization\Contracts\LocalesManager |
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50 | */ |
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51 | private $localesManager; |
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52 | |||
53 | /* ----------------------------------------------------------------- |
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54 | | Constructor |
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55 | | ----------------------------------------------------------------- |
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56 | */ |
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57 | |||
58 | /** |
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59 | * Localization constructor. |
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60 | * |
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61 | * @param \Illuminate\Contracts\Foundation\Application $app |
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62 | * @param \Arcanedev\Localization\Contracts\RouteTranslator $routeTranslator |
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63 | * @param \Arcanedev\Localization\Contracts\LocalesManager $localesManager |
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64 | */ |
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65 | 268 | public function __construct( |
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78 | |||
79 | /* ----------------------------------------------------------------- |
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80 | | Getters & Setters |
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81 | | ----------------------------------------------------------------- |
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82 | */ |
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83 | |||
84 | /** |
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85 | * Get Request instance. |
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86 | * |
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87 | * @return \Illuminate\Http\Request |
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88 | */ |
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89 | 106 | private function request() |
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93 | |||
94 | /** |
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95 | * Returns default locale. |
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96 | * |
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97 | * @return string |
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98 | */ |
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99 | 112 | public function getDefaultLocale() |
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103 | |||
104 | /** |
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105 | * Return an array of all supported Locales. |
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106 | * |
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107 | * @return \Arcanedev\Localization\Entities\LocaleCollection |
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108 | */ |
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109 | 108 | public function getSupportedLocales() |
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113 | |||
114 | /** |
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115 | * Set the supported locales. |
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116 | * |
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117 | * @param array $supportedLocales |
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118 | * |
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119 | * @return self |
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120 | */ |
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121 | 4 | public function setSupportedLocales(array $supportedLocales) |
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127 | |||
128 | /** |
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129 | * Get supported locales keys. |
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130 | * |
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131 | * @return array |
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132 | */ |
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133 | 2 | public function getSupportedLocalesKeys() |
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137 | |||
138 | /** |
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139 | * Returns current language. |
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140 | * |
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141 | * @return string |
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142 | */ |
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143 | 110 | public function getCurrentLocale() |
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147 | |||
148 | /** |
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149 | * Returns current language. |
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150 | * |
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151 | * @return \Arcanedev\Localization\Entities\Locale |
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152 | */ |
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153 | 10 | public function getCurrentLocaleEntity() |
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157 | |||
158 | /** |
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159 | * Returns current locale name. |
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160 | * |
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161 | * @return string |
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162 | */ |
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163 | 2 | public function getCurrentLocaleName() |
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167 | |||
168 | /** |
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169 | * Returns current locale script. |
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170 | * |
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171 | * @return string |
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172 | */ |
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173 | 2 | public function getCurrentLocaleScript() |
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177 | |||
178 | /** |
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179 | * Returns current locale direction. |
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180 | * |
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181 | * @return string |
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182 | */ |
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183 | 2 | public function getCurrentLocaleDirection() |
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187 | |||
188 | /** |
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189 | * Returns current locale native name. |
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190 | * |
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191 | * @return string |
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192 | */ |
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193 | 2 | public function getCurrentLocaleNative() |
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197 | |||
198 | /** |
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199 | * Returns current locale regional. |
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200 | * |
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201 | * @return string |
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202 | */ |
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203 | 2 | public function getCurrentLocaleRegional() |
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207 | |||
208 | /** |
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209 | * Get all locales. |
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210 | * |
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211 | * @return \Arcanedev\Localization\Entities\LocaleCollection |
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212 | */ |
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213 | 2 | public function getAllLocales() |
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217 | |||
218 | /** |
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219 | * Set and return current locale. |
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220 | * |
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221 | * @param string|null $locale |
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222 | * |
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223 | * @return string |
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224 | */ |
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225 | 268 | public function setLocale($locale = null) |
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229 | |||
230 | /** |
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231 | * Sets the base url for the site. |
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232 | * |
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233 | * @param string $url |
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234 | * |
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235 | * @return self |
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236 | */ |
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237 | 268 | public function setBaseUrl($url) |
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245 | |||
246 | /* ----------------------------------------------------------------- |
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247 | | Main Methods |
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248 | | ----------------------------------------------------------------- |
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249 | */ |
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250 | |||
251 | /** |
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252 | * Translate routes and save them to the translated routes array (used in the localize route filter). |
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253 | * |
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254 | * @param string $routeName |
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255 | * |
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256 | * @return string |
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257 | */ |
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258 | 268 | public function transRoute($routeName) |
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262 | |||
263 | /** |
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264 | * Returns an URL adapted to $locale or current locale. |
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265 | * |
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266 | * @param string|null $url |
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267 | * @param string|null $locale |
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268 | * |
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269 | * @return string |
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270 | */ |
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271 | 4 | public function localizeURL($url = null, $locale = null) |
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275 | |||
276 | /** |
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277 | * It returns an URL without locale (if it has it). |
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278 | * |
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279 | * @param string|null $url |
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280 | * |
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281 | * @return string |
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282 | */ |
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283 | 106 | public function getNonLocalizedURL($url = null) |
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287 | |||
288 | /** |
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289 | * Returns an URL adapted to $locale or current locale. |
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290 | * |
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291 | * @param string|null $locale |
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292 | * @param string|null $url |
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293 | * @param array $attributes |
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294 | * @param bool|false $showHiddenLocale |
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295 | * |
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296 | * @return string|false |
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297 | */ |
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298 | 106 | public function getLocalizedURL($locale = null, $url = null, array $attributes = [], $showHiddenLocale = false) |
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299 | { |
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300 | 106 | if (is_null($locale)) |
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301 | 10 | $locale = $this->getCurrentLocale(); |
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302 | |||
303 | 106 | $this->isLocaleSupportedOrFail($locale); |
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304 | |||
305 | 106 | if (empty($attributes)) |
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306 | 106 | $attributes = Url::extractAttributes($url); |
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307 | |||
308 | 106 | if (empty($url)) { |
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309 | 10 | if ($this->routeTranslator->hasCurrentRoute()) { |
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310 | 2 | if (empty($attributes)) |
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311 | 2 | $attributes = $this->request()->route()->parameters(); |
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312 | |||
313 | 2 | return $this->getUrlFromRouteName( |
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314 | 2 | $locale, |
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315 | 2 | $this->routeTranslator->getCurrentRoute(), |
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316 | $attributes, |
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317 | $showHiddenLocale |
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318 | ); |
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319 | } |
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320 | |||
321 | 10 | $url = $this->request()->fullUrl(); |
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322 | } |
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323 | |||
324 | if ( |
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325 | 106 | $locale && |
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326 | 106 | $translatedRoute = $this->findTranslatedRouteByUrl($url, $attributes, $this->getCurrentLocale()) |
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327 | ) { |
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328 | 52 | return $this->getUrlFromRouteName($locale, $translatedRoute, $attributes, $showHiddenLocale); |
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329 | } |
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330 | |||
331 | 106 | $baseUrl = $this->request()->getBaseUrl(); |
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332 | 106 | $parsedUrl = parse_url($url); |
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333 | |||
334 | 106 | $translatedRoute = $this->routeTranslator->getTranslatedRoute( |
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335 | 106 | $baseUrl, $parsedUrl, $this->getDefaultLocale(), $this->getSupportedLocales() |
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336 | ); |
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337 | |||
338 | 106 | if ($translatedRoute !== false) |
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339 | 104 | return $this->getUrlFromRouteName($locale, $translatedRoute, $attributes, $showHiddenLocale); |
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340 | |||
341 | 90 | if ( ! empty($locale)) { |
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342 | 56 | if ($locale !== $this->getDefaultLocale() || ! $this->isDefaultLocaleHiddenInUrl() || $showHiddenLocale) { |
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343 | 52 | $parsedUrl['path'] = $locale.'/'.ltrim($parsedUrl['path'], '/'); |
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344 | } |
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345 | } |
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346 | |||
347 | 90 | $parsedUrl['path'] = ltrim(ltrim($baseUrl, '/') . '/' . $parsedUrl['path'], '/'); |
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348 | 90 | $parsedUrl['path'] = rtrim($parsedUrl['path'], '/'); |
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349 | |||
350 | 90 | $url = Url::unparse($parsedUrl); |
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351 | |||
352 | 90 | if (filter_var($url, FILTER_VALIDATE_URL)) return $url; |
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353 | |||
354 | 2 | return $this->createUrlFromUri( |
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355 | 2 | empty($url) ? $parsedUrl['path'] : $url |
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356 | ); |
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357 | } |
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358 | |||
359 | /** |
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360 | * Create an url from the uri. |
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361 | * |
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362 | * @param string $uri |
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363 | * |
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364 | * @return string |
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365 | */ |
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366 | 110 | public function createUrlFromUri($uri) |
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374 | |||
375 | /** |
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376 | * Get locales navigation bar. |
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377 | * |
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378 | * @return string |
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379 | */ |
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380 | 2 | public function localesNavbar() |
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388 | |||
389 | /* ----------------------------------------------------------------- |
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390 | | Translation Methods |
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391 | | ----------------------------------------------------------------- |
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392 | */ |
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393 | |||
394 | /** |
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395 | * Returns the translated route for an url and the attributes given and a locale |
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396 | * |
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397 | * @param string $url |
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398 | * @param array $attributes |
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399 | * @param string $locale |
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400 | * |
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401 | * @return string|false |
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402 | */ |
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403 | 104 | private function findTranslatedRouteByUrl($url, $attributes, $locale) |
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418 | |||
419 | /** |
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420 | * Returns an URL adapted to the route name and the locale given. |
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421 | * |
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422 | * @param string|bool $locale |
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423 | * @param string $transKey |
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424 | * @param array $attributes |
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425 | * @param bool|false $showHiddenLocale |
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426 | * |
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427 | * @return string|false |
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428 | */ |
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429 | 110 | public function getUrlFromRouteName($locale, $transKey, array $attributes = [], $showHiddenLocale = false) |
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430 | { |
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431 | 110 | $this->isLocaleSupportedOrFail($locale); |
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432 | |||
433 | 108 | $route = $this->routeTranslator->getUrlFromRouteName( |
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434 | 108 | $locale, |
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435 | 108 | $this->getDefaultLocale(), |
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436 | $transKey, |
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437 | $attributes, |
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438 | 108 | $this->isDefaultLocaleHiddenInUrl(), |
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439 | $showHiddenLocale |
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440 | ); |
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441 | |||
442 | // This locale does not have any key for this route name |
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443 | 108 | if (empty($route)) return false; |
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444 | |||
445 | 108 | return rtrim($this->createUrlFromUri($route)); |
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446 | } |
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447 | |||
448 | /** |
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449 | * Set route name from request. |
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450 | * |
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451 | * @param \Illuminate\Http\Request $request |
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452 | */ |
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453 | 2 | public function setRouteNameFromRequest(Request $request) |
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461 | |||
462 | /* ----------------------------------------------------------------- |
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463 | | Check Methods |
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464 | | ----------------------------------------------------------------- |
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465 | */ |
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466 | |||
467 | /** |
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468 | * Hide the default locale in URL ?? |
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469 | * |
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470 | * @return bool |
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471 | */ |
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472 | 108 | public function isDefaultLocaleHiddenInUrl() |
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476 | |||
477 | /** |
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478 | * Check if Locale exists on the supported locales collection. |
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479 | * |
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480 | * @param string|bool $locale |
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481 | * |
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482 | * @return bool |
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483 | */ |
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484 | 112 | public function isLocaleSupported($locale) |
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488 | |||
489 | /** |
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490 | * Check if the locale is supported or fail if not. |
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491 | * |
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492 | * @param string $locale |
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493 | * |
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494 | * @throws \Arcanedev\Localization\Exceptions\UnsupportedLocaleException |
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495 | */ |
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496 | 112 | private function isLocaleSupportedOrFail($locale): void |
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503 | } |
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504 |